1.Touch Operation, easy to control 2.360°air flow, no dead-end air filtration. 3.3 levels air quality sensor, LED indicator light, real-time air quality monitor. 4.Composite True HEPA filter and active carbon filter, effectively absorb harmful substance, odor, particles, bacteria…etc. 5.Sleep mode, quite with very low noise. 6.5 millions high concentration of negative ion, breathe like you are in the forest. 7. Turbo mode, Quickly remove odor or clean air pollution. 8.Timer can be set 1-2-4-8 Hours. 9. Muti-Purification System brings you and your family fresh air.